Is there bolts or rivets holding motor on?

A riveted connection requires much more force to break the connection than a bolted connection. Furthermore, a bolt can become loosened by vibration which is highly unlikely in a riveted...

They are unlocked when you first access the Moon.

it is the same size of the bolt same as the hole and thread. the higher the grade of the bolt the more touque you can apply.

Well, In order to try and answer this I will say one of two things. A. A great big magnet will usually hold them together if not used in conjuction. B. If you twist the bolt into the nut then it...

We often find a saw used to cut bolts. Rivets might be cut if we can get the saw on the body, but we often have to drill them out. A sidewinder grinder will make short work of them if you can get it...